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Finding the Fourth Proportional to 12,395.13, 17,096.63 and 7,676.61

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Solution

The fourth proportional to 12,395.13, 17,096.63 and 7,676.61 is: 10,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.13 : 17,096.63 = 7,676.61 : x
  2. Step 2: Convert to fraction form
    12,395.13/17,096.63 = 7,676.61/x
  3. Step 3: Cross multiply
    12,395.13x = 17,096.63 × 7,676.61
  4. Step 4: Simplify right side
    12,395.13x = 131,244,122.44
  5. Step 5: Solve for x
    x = 131,244,122.44/12,395.13
  6. Step 6: Final answer
    x = 10,588.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.